Table Des Matières - Hussmann PROTO-AIRE EZ Mode D'emploi

4
INSTALLATION
Overview .......................................................................................................................................................... 5
Shipping Damage ............................................................................................................................................ 5
Apparent Loss or Damage ............................................................................................................................... 5
Concealed Loss or Damage ............................................................................................................................. 5
On Site Damage Control .................................................................................................................................. 5
Proto-Aire EZ Unit Nomenclature ................................................................................................................ 6
Moving the Unit ............................................................................................................................................. 7
Physical Drawings and Dimensions (Submittal Documents) ............................................................................ 8
REFRIGERATION PIPING
Overview ........................................................................................................................................................ 12
Refrigeration Line Piping ............................................................................................................................... 12
Return Gas Superheat .................................................................................................................................... 12
Suction Line ................................................................................................................................................... 12
Liquid Line .................................................................................................................................................... 13
Refrigeration Cycle ........................................................................................................................................ 13
Oil Cycle ........................................................................................................................................................ 14
ELECTRICAL
................................................................................................................................................. 14
Field Wiring ................................................................................................................................................... 14
Maximum & Minimum Field Wire Size ................................................................................................... 14
Sizing Wire and Overcurrent Protectors ................................................................................................... 14
For 208-230/3/60 Compressor Units with Single Power Feed ................................................................... 14
For 208-230/3/60 Compressor Units with Dual Power Feed ..................................................................... 15
For 208-230/1/60 Compressor Units with Single Power Feed .................................................................. 15
For 208-230/1/60 Compressor Units with Dual Power Feed .................................................................... 15
For 460/3/60 Compressor Units with Single Power Feed .......................................................................... 15
For 460/3/60 Compressor Units with Dual Power Feed ........................................................................... 15
Temperature Sensors & Defrost Termination Sensors & Thermostats ...................................................... 16
120V GFCI Circuit Operation ................................................................................................................ 16
LED Lighting Operation (if applied) ...................................................................................................... 16
Electronic Oil Level Control .......................................................................................................................... 16
Generic Enclosure Layout ............................................................................................................................. 17
STARTUP
Startup ........................................................................................................................................................... 18
Charging the Refrigeration Side ..................................................................................................................... 18
Procedure - Triple Evacuation ....................................................................................................................... 19
Pre-charge Check List .................................................................................................................................... 19
Refrigerant Charge ........................................................................................................................................ 19
Oil Charge ..................................................................................................................................................... 20
Compressor Motor Rotation ......................................................................................................................... 20
Final Checks .................................................................................................................................................. 21
Control Settings ............................................................................................................................................. 21
Electronic Oil Level Control .......................................................................................................................... 22
Auxiliary Systems .......................................................................................................................................... 22
Temperature Termination (Digital Mode) ...................................................................................................... 22
Offtime Defrost .............................................................................................................................................. 23
Sensor Applications ....................................................................................................................................... 23
Suction Pressure Sensor ........................................................................................................................... 23
SERVICE
Service and Maintenance ............................................................................................................................... 24
Compressor Replacement ............................................................................................................................ 24
Replacing Drier.............................................................................................................................................. 25
Checklist ........................................................................................................................................................ 26
Sequence of Operation ................................................................................................................................... 28
Replacement Parts ......................................................................................................................................... 31
Warranty Information ................................................................................................................................... 32
3090249_F
P/N
TABLE OF CONTENTS
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Proto-Aire EZ I/O Manual